Cheapest return flights from Denver to Dublin in May from $628

Best time to book flights for Denver (DEN) to Dublin (DUB) flights at AirHint

AirHint found the following cheapest return flights from Denver (DEN) to Dublin (DUB) in May 2025 (see full year).

Return flights

29 May - 06 Jun jetBlue
12 May - 21 May Air Canada
12 May - 21 May Aer Lingus direct
30 May - 08 Jun jetBlue
12 May - 28 May Air Canada
11 May - 17 May Air Canada
23 May - 28 May jetBlue
26 May - 12 Jun American Airlines
31 May - 08 Jun Air Canada
31 May - 07 Jun United
21 May - 28 May Air Canada
18 May - 24 May Air Canada
15 May - 22 May United
19 May - 26 May Lufthansa
14 May - 29 May American Airlines
30 May - 08 Jun Aer Lingus direct
31 May - 08 Jun Aer Lingus direct

Also check the deals for one-way flights from Denver to Dublin in May.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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